A set of brown sash jammers for uPVC windows and doors, including button spacers and uPVC screws.
Technical side view drawing of sash jammer extra security lock for uPVC windows and doors with detailed dimensions in millimeters.
A set of brown sash jammers for uPVC windows and doors, including button spacers and uPVC screws.
Technical side view drawing of sash jammer extra security lock for uPVC windows and doors with detailed dimensions in millimeters.
Home Secure

Sash Jammers - Extra Security Locks for uPVC Window & Doors - BrownSash Jammers - Extra Security Locks for uPVC Window & Doors - Brown

£5.99 SKU: HS13123
Order by 2pm for same-day dispatch
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Same-day dispatch on orders before 2pm

Easy to fit and operate, sash jammers can be used on both uPVC windows and doors.

Key benefits
  • Extra security for uPVC doors/windows - highly visible deterrent
  • Easy fit, easy operate - 3 button spacers and packers included
  • High-grade metal, white coating - matches standard uPVC profile
Product overview

Easy to fit and operate, sash jammers can be used on both uPVC windows and doors.

  • Brown Finish
  • Can be fitted to a window or door to provide additional security 
  • 3 different sized button spacers provided to fit rebates up to 20mm maximum
  • uPVC Screws provided for use with reinforced windows
  • We recommend using Jack Nuts to gain a secure fit onto un-reinforced window frames
  • You won't know if frame is reinforced until you drill a pilot hole and feel tension or lack of tension

Fitting Advice

We provide access to online fitting instructions and installation video.

How many to use?

1 Sash Jammer - Small Window or Letterbox

2 Sash Jammers - Large Window / Single Door (Top & Bottom Fitting)

4 Sash Jammers - French/ Patio Doors (2 Top, 2 Bottom, on each door)

View our guide on Sash Jammer
Delivery & Returns

How much is delivery?

UK Mainland Delivery is £2.99 on all items no matter how many you order!

Northern Ireland, Scottish Highlands, Channel Islands £6.00.

We do not offer International Delivery (Ireland, France, Spain etc).

When will my order be dispatched?

Orders before 3pm (Monday to Friday) are usually dispatched same day but may take up to 24 hours.

When will I receive my item?

We ship on 2 working day courier. Fully Tracked. Tracking will be emailed on dispatch. 

Special order items such as keyed alike locks will take longer to dispatch. Please refer to product description for lead times. 

I haven't received my item?

Please email us your name, order number and date of purchase.

We prefer email as it allows us time to research and respond.

Returns Information

We operate a 30 day refunds and return policy. 

If you change your mind you must return the product back to us within 30 days of delivery

Please include a copy of your invoice and a note stating reason for return. 

Additional keys, locks keyed alike or built to code are non refundable as they are personalised made to order goods.

Any refund, which is due to a fault or other defect, will include a refund of the applicable delivery charges otherwise not. 

It is the buyers responsibility to arrange the return of goods to us. We do not offer a collection service for returning items. 

Items must be returned including original product packaging and accessories.

We reserve the right to refuse any returns that do not comply with this policy.

Please post returns to the following address:

Home Secure (Online)

Unit 5, Brookfield Drive

Liverpool, L9 7AJ

United Kingdom

Frequently Asked Questions

Sash jammers are additional security locks designed for uPVC windows and doors. They help prevent the opening of the sash, adding an extra layer of protection against forced entry.

Yes, these sash jammers can be fitted to most uPVC windows and doors, making them a versatile security upgrade for different areas of your home.

Sash jammers provide enhanced security, act as a visual deterrent to intruders, and are easy to operate. They are a cost-effective way to improve overall home safety.

Yes, installation is simple and can be done with basic tools. They are usually screw-fixed to the frame, allowing for quick and secure fitting. For more details, read our blog: Extra uPVC Door & Window Security: The Sash Jammer

Yes, they are made from strong, high-quality materials designed to withstand regular use, providing reliable and long-term security for your windows and doors.